Multiple choice problems based on Regression.
1. In the equation Y' = a + bX, what is Y'?
a. Slope of the line
b. Y intercept
c. Predicted value of Y, given a specific X value
d. Value of Y when X=0
e. None of the above
2. If all the plots on a scatter diagram lie on a straight line, what is the standard error of estimate?
a. -1
b. +1
c. 0
d. Infinity
e. None of the above
3. What does a regression equation do?
a. Predicts the value of dependent variable based on the independent variable
b. Predicts the value of independent variable based on the dependent variable.
c. Measures the association between two variables
d. All of the above
e. None of the above